QKZ In-ear Wired Earphones Monitor Headphones Changeable Cable HIFI Professional Level

Features: High-quality sound: The sound range spans 5 octaves, and the high and low values of the vibration frequency differ by 31 times, bringing the sound quality to a new level. Wide compatibility: Both professional players and mobile phones can accurately interpret, different devices, the same beauty. Customized moving coil diaphragm: The moving coil unit uses a 10mm diameter nano-vibration film, which has an incredible ultra-wide bandwidth, and the live listening feeling is full and pleasant. Dual magnetic circuit and dual sound cavity design: Reconstruct the acoustic system to achieve all-round sound field coverage. Personalized needs met: 2-pin plug-in interface, can be upgraded to BT headphones, 3.5mm gold-plated plug, excellent transmission performance, suitable for similar devices. Ergonomic design: Comfortable to wear and reduce external noise. Specification: Optional modes: Standard version- Black Gold Blue; Mic version- Black Gold Blue Sensitivity: 109dB+/-3dB Wire material: Silver plated double line Cable Length: 120cm+/-5cm  Line control: Yes Frequency: 10Hz-20kHz Impedance: 17Ω+/-10percent Drive unit: 10mm dynamic coil Interface type: 3.5mm Package size: 90*70*40mm Package weight: 50g

Package List:  1* Earphone 3* Pairs of Earmuffs